bagley



2 SheetsSheet 1.

(No Model.)

0. H. BAGLEY.

GOLD SAVING APPARATUS.

No. 394,636. Patented Dec. 18, 1888.

WWW

(No Model.) 2 Sheets-Sheet 2.

O. H. BAGLEY.

GOLD SAVING APPARATUS.

No. 394,636. Patented Dec. 18, 1888.

Jay. 3

UNITED STATES PATENT OFFICE.

OIJIN H. BAGIJEY, OF KNAPPA, OREGON.

GOLD-SAVING APPARATUS.

SPECIFICATION forming part of Letters Patent No. 394,636, dated December 18, 1888.

Application filed March 15, 1888. Serial No. 267,281. (No model.)

To aZZ whom, it may concern.-

Be it known that I, OLIN II. BAGLEY, of Knappa, in the county of Clatsop and State of Oregon, have invented an Improvement in Gold-Saving Apparatus; and I hereby declare the following to be a full, clear, and exact description of the same.

My invention relates to the class of machines or apparatus for separating the gold from the ore-pulp or from anriferous sand, earth, or gravel; and my invention consists in the constructions and combinations of devices which I shall hereinafter fully describe and claim.

The object of my invention is to provide a simple and effective machine for saving gold.

Referring to the accompanying drawings for a more complete explanation of my invention, Figure 1 is a perspective view of my apparatus, the screen G and directing-plate H being broken to show the table D. Fig. 2 is a longitudinal vertical section. Fig. 3 is a vertical cross-section. Fig. 4 is a view showing the manner in which the sections of table D are united. Fig. 5 is a perspective view showing the make-up of a single section with a form of table surface. Fig. 6 shows a modified form of surface.

A is the bed-frame of the machine, having at its corners standards (I, from the tops of which is suspended, by means of hangers b, the shaking-frame B. Standards 1) rise from the sides of the shaking-frame and supports cross-bars b through which pass eyes or staples b receiving nuts I), by which they may be adjusted. From these staples depend hangers c, which suspend the frame-work C of the separating-table D. This table consists of a plate or plates having any suitable sep arating or concentrating surface, of which a fuller description will presently be given. The table D is perforated at cl and communicates underneath with the flanges E, by which the material may be properly directed into a chute or box below.

to come in contact with the sides of the shaking-frame I Mounted in bearings on the sills of the main frame A at one side is a power-shaft, F, having on one end the pulley f, by which rotation is imparted, and having also the cranks f from which connecting-rods f extend to a rod or bar, If, attached to the shaking-frame B.

By rotating the crank-shaft F the shakingframe 13 has imparted to it a reciprocating motion about its hanger-connections as centers, and the table-frame 0, being suspended from the shaking-frame B, receives a similar motion, this, however, being changed by the jar which it receives from the contact of its bumpers with the sides of the shaking-frame, so that the table, therefore, has a peculiar side shake and jar, which is found very effective in concentrating the precious particles upon the surface of the table.

The table I), although it may be, as before stated, of any suitable construction for the purpose of separating the material, is preferably made with elevated and depressed portions, the perforations d being made in the elevated portions, so that the lighter and worthless materials lying at the top of the mass may pass off through the perforations, while the heavier and precious material is concentrated and confined within the depressions of the table.

Now, in order to properly feed the material to the table, I have near the upper portion of the table-frame (3 a screen-plate, G, which is set at a slight incline. The material is fed upon this plate, and the larger gravel, rocks, sticks, &c., failing to pass through the screen move off by gravity down the incline, while the auriferous earth, sand, pulp, and smaller materials pass through the screen.

In order to direct it properly upon the table, I have between the screen-plate G and the surface of the table a directing-plate, H, which is provided with perforations h, located directly over the depressions of the separating-table, so that the material is fed first into the depressions, thus avoiding the loss which would occur if it were fed directly over the perforations (Z in the table. By interposing the plate H between the screen-plate G and the table I am enabled to make a far less number of holes in said plate, because the plate H does not act as a screen, but simply as a means for directing the promiscuouslyfalling mass into the depressions of the concentrating-surface, thus avoiding perforations in the elevated portions of said surface.

The table D may have only a single layer or a double one, such as shown, one plate being directly over the other, the perforations in one occupying an intervening plane to those in the other, so that the material fed upon the upper plate falls into the depressions of the lower plate and not directly into its perforations. From the lower plate the worthless material passes through the perforationsand is guided by the directing-plates E be- "low int-o a chute or box.

The elevated and depressed portions ofthe table'may be formed by corrugations, riffles or any character, or byhaving a rim flange or burr around each'perforation, as shown'by.

(Z in Figs. at and 5, and-these may be used with a surface otherwise either smooth'or corrugated. The flanges or burrs present only another formof the broken or uneven surface, which permits the settling of the heavier materials and the passing oif of the lighter ones; or the perforations, instead of being round, maybe slits, as shown at d in Fig. 6, said slitsbeing surrounded by the ele- 'vated fianges d, as before.

The separating -'table may be all in one piece; but I prefer to make it in sections of. the following novel construction: By refer-j ring to Fig. 5 it will be seen that a short section of plate is provided with side flanges, I, having grooves on their inner surfaces, in

which the edges of the'plate-section are'fitted, pieces of rubber J being placed in the grooves for forming a tight joint, which joint is com pleted and the sideflanges held to place by means of a bolt or bolts, K, passing under the plates and through the side flanges and receiving the nuts it, by which the whole is tightened up. The end of one section of plate sections I can readily fit them to theirplaces in the machine and remove them again, so that I can substitute one form of plate for another with facility. A further advantage is that the plates,when they have to'be cleaned, by removing the concentrations which are left in the depressions,=may be readilyhandled by removing thebolts'K, taking off the side flanges, I, and by means of a proper rubber, brush, orscraper have their depressed portions cleaned-- of the concentrates.

I am aware that in concentratingmachines there are separating-surfaces which are corrugated, riflied, or otherwise broken or uneven, and I do not therefore claim herein such a surface, broadly.

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is I 1. In a gold-saving apparatus, a fixed bedframe having standards, a frame having standards, and freely-swinging standards suspending it from the standard of the bedframe, in combination with a frame loosely fitting within the suspended frame and having bumpers on its sides, a separating-table carried by the inner frame, freely-playing hangers suspending it from the standards of the outer frame, a crank-shaft on the bedframe, and connecting-links to the outer frame, whereby it'receives a swinging motion and imparts an independent swinging jarring motion to the inner frame and separating-- table, substantially as herein described.

2. In a gold-saving apparatus, a separatin gtable having depressed and elevated portions withperforations in the-elevated portions,in combination with a screen-plate above and an intervening directing-plate provided with perforations located over the depressed portions of the separating-table, substantially as herein described.

I11 a gold-saving apparatus, a fixed bedframe and a swinging or shaking frame suspended therefrom, in combination with a separating-table having a frame suspended from and within the shaking-frame, whereby it receives a shaking jarring motion, as described, said table having elevated and depressed portions with perforations in the elevated portions, a screen-plate carried by the tableframe and lying over its separating-table, and an intervening directing-plate carried by said frame and provided with perforations over the depressed portions of the separating-table, substantially as'herein described.

4.,In a gold-saving apparatus, a separatingtable having elevated and depressed portions with perforations in the elevated portions, and a second table having similar elevated and depressed portions with perforations in the ele vated portions, said second table being located under the first and so arranged that the perforations of the upper t ble shall be over the depressed portions of the lower table, substantially as herein described.

I11 witness whereof I have'hereunto set my hand.

OLIN II. BAGLEY. Vitnesses:

S. H. NOURSE,. H. O. LEE. 

